Answer:
The following are the give branches of earth science
a) geology
b) oceanography
c) meteorology and climatology
d) environmental science
e) astronomy
Explanation:
a) geology: The study of earth as solid entity.
b) oceanography: study of oceans
c) meteorology and climatology: it deals with the study of atmosphere, the weather conditions, hurricanes etc, humidity, rainfall, etc.
d) environmental science: it deals with the study of environment, the impact of anthropogenic activities on environment.
e) astronomy: it is the study of outer space and the physical bodies beyond our planet, like study of moon etc.
Earth Science encompasses five main branches: Geology, Meteorology, Hydrology, Astronomy, and Environmental Science. Each one focuses on a specific aspect of the Earth's system and the understanding of how they interact and affect each other.
The Earth Science is a broad field that explores the interrelationships between physical and biological components of the Earth. It can be subdivided into five main branches:
#SPJ6
When the temperature of a substance decreases, the average kinetic energy of its particles also decreases. This is because the temperature of a substance is proportional to the average kinetic energy of its particles. The slower the particles move, the lower the kinetic energy.
The question refers to the relationship between the temperature of a substance and the average kinetic energy of its particles. According to the kinetic-molecular theory, the temperature of a substance is proportional to the average kinetic energy of its particles. When the temperature of a substance rises, the particles vibrate more in solids or move more rapidly in liquids and gases, indicating an increase in kinetic energy. Conversely, if the temperature decreases, the kinetic energy also decreases, and the particles move more slowly.
For instance, when the temperature of a gas increases, its average kinetic energy increases, more molecules have higher speeds and fewer molecules have lower speeds. The distribution shifts towards higher speeds overall. If the temperature decreases, the opposite happens: the average kinetic energy decreases, more molecules have lower speeds and fewer molecules have higher speeds. The distribution shifts towards lower speeds overall.
#SPJ11
Answer:
Molar mass = 50.4 g/mol
Explanation:
Pressure . Volume = number of moles (n) . R . T°K
This is the Ideal Gases Law where R is the Ideal Gases Constant and T°, Absolute Temperature.
We convert the T°C to T°K → 190°C + 273 = 463 K
R = 0.082 L.atm /mol.K
We need to convert the volume from mL to L → 2160 mL . 1L / 1000 mL = 2.16 L; now we replace:
1 atm . 2.16L = n . 0.082 L.atm /mol.K . 463K
(1 atm . 2.16L) / (0.082 L.atm /mol.K . 463K) = n → 0.569 moles
These moles refers to 2.87 g so let's find out the molar mass:
Molar mass (g/mol) = 2.87 g / 0.0569 mol = 50.4 g/mol
Answer:
5 significant figures
Explanation:
Answer:
Helium will be inert. Lithium is the most reactive element, followed by chlorine.
Explanation:
The elements tend to resemble the closest noble gases in terms of their electronic configuration of the last layer, that is, having eight electrons in the last layer to be stable. Then, the reactivity of an element measures the tendency to combine with others to generate the mentioned stability.
Within a period, the groups located on the left of the periodic table are more reactive than groups on the right. This is because it is easier to lose the electron of the last layer possessed by the elements located on the left than more than one electron in the rest of the elements. When we reach a certain group the trend is reversed since it will be easier to gain the missing electrons to resemble the nearest noble gas. Therefore, in a period the reactivity of metals increases the further to the left in the period (less electrons to remove). The reactivity of nonmetals increases as the period progresses since it is the case in which it is easier to acquire electrons to acquire stability, and increases to advance in a period since the less electrons they need to acquire, the more reactants they are.
Within a group, as we descend into it, the electrons of the last layer are farther from the nucleus and, therefore, it will be easier to remove them. In the case of nonmetals, it will be more difficult to take electrons. Then the reactivity of the metals increases when advancing in a group (greater tendency to lose electrons) and the reactivity of the nonmetals increases the higher in the group (greater tendency to take electrons).
Finally, you have noble or inert gases. Its inert name is due to the lack of reactivity with other elements. This is due to its electronic configuration, because its outermost layer or valence layer is always complete, without the need to share, transfer or receive electrons forming bonds. That is, its outer layer is so stable that the element tends not to react with others except in very specific cases.
Taking into account everything mentioned above, it is possible to say that helium is a noble gas, so it will be inert. Lithium is the most reactive element, followed by chlorine.